程序如何检测它是否作为 systemd 守护进程运行? [英] How can a program detect if it is running as a systemd daemon?

问题描述

在程序中是否有任何方法可以检测到systemd作为守护程序运行?

Is there any way to detect in a program that it is run by systemd as a daemon?

系统API

sd_booted()

用于检测整个系统是否由systemd引导，但未说明程序本身.

is used to detected if the whole system is booted by systemd, but says nothing about the program itself.

谢谢

推荐答案

获取父进程ID，并查看该进程是否为 systemd .

Get the parent process id and see whether that process is systemd.

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